接入多少個攝像頭才選擇千兆網絡

視頻監控系統的網絡中，往往需要傳輸大量且持續的視頻數據，這就要求交換機具有穩定的轉發數據的能力。

通常，交換機接入的攝像頭數量越多，流經交換機的數據量就越大。那麼，接入多少個攝像頭才選擇千兆網絡?

看攝像頭上聯端口轉發數據量量的大小，如果上聯端口轉發數據量大於70M，選擇千兆端口。

另外，還可透過以下公式計算：

帶寬值=(子碼流+主碼流)*通道數*1.2

① 帶寬值>70M，用千兆;

② 帶寬值<70M，用百兆。

在某些場景裡，如果交換機只有一個端口需要是千兆，且不能優化系統結構平衡流量，就需要配上千兆交換機或千兆上聯交換機。

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Look at the amount of data forwarded by the camera's uplink port. If the amount of data forwarded by the uplink port is greater than 70M, select the Gigabit port.

In addition, it can be calculated by the following formula:

Bandwidth value = (sub-stream + main stream) * number of channels * 1.2

① Bandwidth value> 70M, use Gigabit;

② If the bandwidth value is less than 70M, use 100M.

In some scenarios, if only one port of the switch needs to be Gigabit, and the system structure cannot be optimized to balance traffic, a Gigabit switch or a Gigabit uplink switch needs to be equipped.

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For more information about 'How many cameras are connected before selecting Gigabit network?'，please visit : http://livser***.hk

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